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Assets/Third Parties/Opsive/UltimateCharacterController/Scripts/Utility/TransformExtensions.cs

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+/// ---------------------------------------------
+/// Ultimate Character Controller
+/// Copyright (c) Opsive. All Rights Reserved.
+/// https://www.opsive.com
+/// ---------------------------------------------
+
+namespace Opsive.UltimateCharacterController.Utility
+{
+    using UnityEngine;
+
+    /// <summary>
+    /// Extension methods for the UnityEngine.Transform class.
+    /// </summary>
+    public static class TransformExtensions
+    {
+        /// <summary>
+        /// Sets the parent of the transform object to the specified parent.
+        /// </summary>
+        /// <param name="transform">The transform to set the parent of.</param>
+        /// <param name="parent">The parent of the transform.</param>
+        public static void SetParentOrigin(this Transform transform, Transform parent)
+        {
+            transform.parent = parent;
+            transform.localPosition = Vector3.zero;
+            transform.localRotation = Quaternion.identity;
+            transform.localScale = Vector3.one;
+        }
+
+        /// <summary>
+        /// Recursively sets the layer on all of the children.
+        /// </summary>
+        /// <param name="transform">The transform to set the layer on.</param>
+        /// <param name="layer">The layer to set.</param>
+        public static void SetLayerRecursively(this Transform transform, int layer)
+        {
+            transform.gameObject.layer = layer;
+            for (int i = 0; i < transform.childCount; ++i) {
+                transform.GetChild(i).SetLayerRecursively(layer);
+            }
+        }
+
+        /// <summary>
+        /// Returns the component of the specified type in the GameObject or any of its parents.
+        /// </summary>
+        /// <param name="transform">The transform to get the component on.</param>
+        /// <typeparam name="T">The type of component to return.</typeparam>
+        /// <returns>THe component of the specified type in the GameObject or any of its parents. Can be null.</returns>
+        public static T GetComponentInParentIncludeInactive<T>(this Transform transform) where T : Component
+        {
+            var parent = transform;
+            T component;
+            while (parent != null) {
+                if ((component = parent.GetComponent<T>()) != null) {
+                    return component;
+                }
+                parent = parent.parent;
+            }
+            return null;
+        }
+    }
+}